diff --git a/src/main/java/org/mockito/Mockito.java b/src/main/java/org/mockito/Mockito.java
index aea283881e..af1ceb22e9 100644
--- a/src/main/java/org/mockito/Mockito.java
+++ b/src/main/java/org/mockito/Mockito.java
@@ -4,8 +4,6 @@
  */
 package org.mockito;
 
-import java.time.Duration;
-
 import org.mockito.exceptions.misusing.PotentialStubbingProblem;
 import org.mockito.exceptions.misusing.UnnecessaryStubbingException;
 import org.mockito.internal.InternalMockHandler;
@@ -888,15 +886,15 @@
  * <pre class="code"><code class="java">
  *   //passes when someMethod() is called no later than within 100 ms
  *   //exits immediately when verification is satisfied (e.g. may not wait full 100 ms)
- *   verify(mock, timeout(Duration.ofMillis(100))).someMethod();
+ *   verify(mock, timeout(100)).someMethod();
  *   //above is an alias to:
- *   verify(mock, timeout(Duration.ofMillis(100)).times(1)).someMethod();
+ *   verify(mock, timeout(100).times(1)).someMethod();
  *
  *   //passes as soon as someMethod() has been called 2 times under 100 ms
- *   verify(mock, timeout(Duration.ofMillis(100)).times(2)).someMethod();
+ *   verify(mock, timeout(100).times(2)).someMethod();
  *
  *   //equivalent: this also passes as soon as someMethod() has been called 2 times under 100 ms
- *   verify(mock, timeout(Duration.ofMillis(100)).atLeast(2)).someMethod();
+ *   verify(mock, timeout(100).atLeast(2)).someMethod();
  * </code></pre>
  *
  *
@@ -2848,45 +2846,10 @@ public static VerificationMode only() {
      * @param millis - duration in milliseconds
      *
      * @return object that allows fluent specification of the verification (times(x), atLeast(y), etc.)
-     * @deprecated Use {@link #timeout(Duration)} instead.
      */
     @CheckReturnValue
-    @Deprecated
     public static VerificationWithTimeout timeout(long millis) {
-      return timeout(Duration.ofMillis(millis));
-    }
-
-    /**
-     * Verification will be triggered over and over until the given amount of time, allowing testing of async code.
-     * Useful when interactions with the mock object did not happened yet.
-     * Extensive use of {@code timeout()} method can be a code smell - there are better ways of testing concurrent code.
-     * <p>
-     * See also {@link #after(Duration)} method for testing async code.
-     * Differences between {@code timeout()} and {@code after} are explained in Javadoc for {@link #after(Duration)}.
-     *
-     * <pre class="code"><code class="java">
-     *   //passes when someMethod() is called no later than within 100 ms
-     *   //exits immediately when verification is satisfied (e.g. may not wait full 100 ms)
-     *   verify(mock, timeout(Duration.ofMillis(100))).someMethod();
-     *   //above is an alias to:
-     *   verify(mock, timeout(Duration.ofMillis(100)).times(1)).someMethod();
-     *
-     *   //passes as soon as someMethod() has been called 2 times under 100 ms
-     *   verify(mock, timeout(Duration.ofMillis(100)).times(2)).someMethod();
-     *
-     *   //equivalent: this also passes as soon as someMethod() has been called 2 times under 100 ms
-     *   verify(mock, timeout(Duration.ofMillis(100)).atLeast(2)).someMethod();
-     * </code></pre>
-     *
-     * See examples in javadoc for {@link Mockito} class
-     *
-     * @param timeout how long to wait before timing out
-     *
-     * @return object that allows fluent specification of the verification (times(x), atLeast(y), etc.)
-     */
-    @CheckReturnValue
-    public static VerificationWithTimeout timeout(Duration timeout) {
-        return new Timeout(timeout, VerificationModeFactory.times(1));
+        return new Timeout(millis, VerificationModeFactory.times(1));
     }
 
     /**
@@ -2926,7 +2889,7 @@ public static VerificationWithTimeout timeout(Duration timeout) {
      *   //1.
      *   mock.foo();
      *   verify(mock, after(1000)).foo();
-     *   //waits 1 second and succeeds
+     *   //waits 1000 millis and succeeds
      *
      *   //2.
      *   mock.foo();
@@ -2939,68 +2902,10 @@ public static VerificationWithTimeout timeout(Duration timeout) {
      * @param millis - duration in milliseconds
      *
      * @return object that allows fluent specification of the verification
-     * @deprecated Use {@link #after(Duration)} instead.
      */
     @CheckReturnValue
-    @Deprecated
     public static VerificationAfterDelay after(long millis) {
-      return after(Duration.ofMillis(millis));
-    }
-
-    /**
-     * Verification will be triggered after given amount of time, allowing testing of async code.
-     * Useful when interactions with the mock object did not happened yet.
-     * Extensive use of {@code after()} method can be a code smell - there are better ways of testing concurrent code.
-     * <p>
-     * Not yet implemented to work with InOrder verification.
-     * <p>
-     * See also {@link #timeout(Duration)} method for testing async code.
-     * Differences between {@code timeout()} and {@code after()} are explained below.
-     *
-     * <pre class="code"><code class="java">
-     *   //passes after 100ms, if someMethod() has only been called once at that time.
-     *   verify(mock, after(Duration.ofMillis(100))).someMethod();
-     *   //above is an alias to:
-     *   verify(mock, after(Duration.ofMillis(100)).times(1)).someMethod();
-     *
-     *   //passes if someMethod() is called <b>*exactly*</b> 2 times, as tested after 100 millis
-     *   verify(mock, after(Duration.ofMillis(100)).times(2)).someMethod();
-     *
-     *   //passes if someMethod() has not been called, as tested after 100 millis
-     *   verify(mock, after(Duration.ofMillis(100)).never()).someMethod();
-     *
-     *   //verifies someMethod() after a given time span using given verification mode
-     *   //useful only if you have your own custom verification modes.
-     *   verify(mock, new After(Duration.ofMillis(100), yourOwnVerificationMode)).someMethod();
-     * </code></pre>
-     *
-     * <strong>timeout() vs. after()</strong>
-     * <ul>
-     *     <li>timeout() exits immediately with success when verification passes</li>
-     *     <li>after() awaits full duration to check if verification passes</li>
-     * </ul>
-     * Examples:
-     * <pre class="code"><code class="java">
-     *   //1.
-     *   mock.foo();
-     *   verify(mock, after(Duration.ofSeconds(1))).foo();
-     *   //waits 1 second and succeeds
-     *
-     *   //2.
-     *   mock.foo();
-     *   verify(mock, timeout(Duration.ofSeconds(1))).foo();
-     *   //succeeds immediately
-     * </code></pre>
-     *
-     * See examples in javadoc for {@link Mockito} class
-     *
-     * @param delay how to to wait before triggering verification
-     *
-     * @return object that allows fluent specification of the verification
-     */
-    @CheckReturnValue
-    public static VerificationAfterDelay after(Duration delay) {
-        return new After(delay, VerificationModeFactory.times(1));
+        return new After(millis, VerificationModeFactory.times(1));
     }
 
     /**
diff --git a/src/main/java/org/mockito/internal/exceptions/Reporter.java b/src/main/java/org/mockito/internal/exceptions/Reporter.java
index db8bbbeacc..f661b81e5c 100644
--- a/src/main/java/org/mockito/internal/exceptions/Reporter.java
+++ b/src/main/java/org/mockito/internal/exceptions/Reporter.java
@@ -10,7 +10,6 @@
 
 import java.lang.reflect.Field;
 import java.lang.reflect.Method;
-import java.time.Duration;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
@@ -864,12 +863,12 @@ public static MockitoException usingConstructorWithFancySerializable(Serializabl
         return new MockitoException("Mocks instantiated with constructor cannot be combined with " + mode + " serialization mode.");
     }
 
-    public static MockitoException cannotCreateTimerWithNegativeDurationTime(Duration duration) {
+    public static MockitoException cannotCreateTimerWithNegativeDurationTime(long durationMillis) {
         return new FriendlyReminderException(join(
                 "",
                 "Don't panic! I'm just a friendly reminder!",
                 "It is impossible for time to go backward, therefore...",
-                "You cannot put negative value of duration: (" + duration + ")",
+                "You cannot put negative value of duration: (" + durationMillis + ")",
                 "as argument of timer methods (after(), timeout())",
                 ""
         ));
diff --git a/src/main/java/org/mockito/internal/util/Timer.java b/src/main/java/org/mockito/internal/util/Timer.java
index 650e887660..783f580c92 100644
--- a/src/main/java/org/mockito/internal/util/Timer.java
+++ b/src/main/java/org/mockito/internal/util/Timer.java
@@ -6,42 +6,38 @@
 
 import static org.mockito.internal.exceptions.Reporter.cannotCreateTimerWithNegativeDurationTime;
 
-import java.time.Duration;
-import java.time.Instant;
-
 public class Timer {
 
-    private final Duration duration;
-    private Instant startTime = null;
+    private final long durationMillis;
+    private long startTime = -1;
 
-    public Timer(Duration duration) {
-        validateInput(duration);
-        this.duration = duration;
+    public Timer(long durationMillis) {
+        validateInput(durationMillis);
+        this.durationMillis = durationMillis;
     }
 
     /**
      * Informs whether the timer is still counting down.
      */
     public boolean isCounting() {
-        assert startTime != null;
-        Duration elapsed = Duration.between(startTime, Instant.now());
-        return elapsed.compareTo(duration) <= 0;
+        assert startTime != -1;
+        return System.currentTimeMillis() - startTime <= durationMillis;
     }
 
     /**
      * Starts the timer count down.
      */
     public void start() {
-        startTime = Instant.now();
+        startTime = System.currentTimeMillis();
     }
 
-    private void validateInput(Duration duration) {
-        if (duration.isNegative()) {
-            throw cannotCreateTimerWithNegativeDurationTime(duration);
+    private void validateInput(long durationMillis) {
+        if (durationMillis < 0) {
+            throw cannotCreateTimerWithNegativeDurationTime(durationMillis);
         }
     }
 
-    public Duration duration() {
-        return duration;
+    public long duration() {
+        return durationMillis;
     }
 }
diff --git a/src/main/java/org/mockito/internal/verification/VerificationOverTimeImpl.java b/src/main/java/org/mockito/internal/verification/VerificationOverTimeImpl.java
index edcf77cf62..24ec61a90d 100644
--- a/src/main/java/org/mockito/internal/verification/VerificationOverTimeImpl.java
+++ b/src/main/java/org/mockito/internal/verification/VerificationOverTimeImpl.java
@@ -4,8 +4,6 @@
  */
 package org.mockito.internal.verification;
 
-import java.time.Duration;
-
 import org.mockito.exceptions.base.MockitoAssertionError;
 import org.mockito.internal.util.Timer;
 import org.mockito.internal.verification.api.VerificationData;
@@ -13,12 +11,12 @@
 
 /**
  * Verifies that another verification mode (the delegate) is satisfied within a certain timeframe
- * (before timeout has passed, measured from the call to verify()), and either returns immediately
+ * (before timeoutMillis has passed, measured from the call to verify()), and either returns immediately
  * once it does, or waits until it is definitely satisfied once the full time has passed.
  */
 public class VerificationOverTimeImpl implements VerificationMode {
 
-    private final Duration pollingPeriod;
+    private final long pollingPeriodMillis;
     private final VerificationMode delegate;
     private final boolean returnOnSuccess;
     private final Timer timer;
@@ -26,22 +24,22 @@ public class VerificationOverTimeImpl implements VerificationMode {
     /**
      * Create this verification mode, to be used to verify invocation ongoing data later.
      *
-     * @param pollingPeriod The frequency to poll delegate.verify(), to check whether the delegate has been satisfied
-     * @param duration The max time to wait for the delegate verification mode to be satisfied
+     * @param pollingPeriodMillis The frequency to poll delegate.verify(), to check whether the delegate has been satisfied
+     * @param durationMillis The max time to wait (in millis) for the delegate verification mode to be satisfied
      * @param delegate The verification mode to delegate overall success or failure to
      * @param returnOnSuccess Whether to immediately return successfully once the delegate is satisfied (as in
      *                        {@link org.mockito.verification.VerificationWithTimeout}, or to only return once
      *                        the delegate is satisfied and the full duration has passed (as in
      *                        {@link org.mockito.verification.VerificationAfterDelay}).
      */
-    public VerificationOverTimeImpl(Duration pollingPeriod, Duration duration, VerificationMode delegate, boolean returnOnSuccess) {
-        this(pollingPeriod, delegate, returnOnSuccess, new Timer(duration));
+    public VerificationOverTimeImpl(long pollingPeriodMillis, long durationMillis, VerificationMode delegate, boolean returnOnSuccess) {
+        this(pollingPeriodMillis, delegate, returnOnSuccess, new Timer(durationMillis));
     }
 
     /**
      * Create this verification mode, to be used to verify invocation ongoing data later.
      *
-     * @param pollingPeriod The frequency to poll delegate.verify(), to check whether the delegate has been satisfied
+     * @param pollingPeriodMillis The frequency to poll delegate.verify(), to check whether the delegate has been satisfied
      * @param delegate The verification mode to delegate overall success or failure to
      * @param returnOnSuccess Whether to immediately return successfully once the delegate is satisfied (as in
      *                        {@link org.mockito.verification.VerificationWithTimeout}, or to only return once
@@ -49,8 +47,8 @@ public VerificationOverTimeImpl(Duration pollingPeriod, Duration duration, Verif
      *                        {@link org.mockito.verification.VerificationAfterDelay}).
      * @param timer Checker of whether the duration of the verification is still acceptable
      */
-    public VerificationOverTimeImpl(Duration pollingPeriod, VerificationMode delegate, boolean returnOnSuccess, Timer timer) {
-        this.pollingPeriod = pollingPeriod;
+    public VerificationOverTimeImpl(long pollingPeriodMillis, VerificationMode delegate, boolean returnOnSuccess, Timer timer) {
+        this.pollingPeriodMillis = pollingPeriodMillis;
         this.delegate = delegate;
         this.returnOnSuccess = returnOnSuccess;
         this.timer = timer;
@@ -99,7 +97,7 @@ public void verify(VerificationData data) {
 
     private AssertionError handleVerifyException(AssertionError e) {
         if (canRecoverFromFailure(delegate)) {
-            sleep(pollingPeriod);
+            sleep(pollingPeriodMillis);
             return e;
         } else {
             throw e;
@@ -111,12 +109,12 @@ protected boolean canRecoverFromFailure(VerificationMode verificationMode) {
     }
 
     public VerificationOverTimeImpl copyWithVerificationMode(VerificationMode verificationMode) {
-        return new VerificationOverTimeImpl(pollingPeriod, timer.duration(), verificationMode, returnOnSuccess);
+        return new VerificationOverTimeImpl(pollingPeriodMillis, timer.duration(), verificationMode, returnOnSuccess);
     }
 
-    private void sleep(Duration sleep) {
+    private void sleep(long sleep) {
         try {
-            Thread.sleep(sleep.toMillis());
+            Thread.sleep(sleep);
         } catch (InterruptedException ie) {
             throw new RuntimeException("Thread sleep has been interrupted", ie);
         }
@@ -126,8 +124,8 @@ public boolean isReturnOnSuccess() {
         return returnOnSuccess;
     }
 
-    public Duration getPollingPeriod() {
-        return pollingPeriod;
+    public long getPollingPeriodMillis() {
+        return pollingPeriodMillis;
     }
 
     public Timer getTimer() {
diff --git a/src/main/java/org/mockito/internal/verification/VerificationWrapperInOrderWrapper.java b/src/main/java/org/mockito/internal/verification/VerificationWrapperInOrderWrapper.java
index 0f3845b6cd..87d9076e00 100644
--- a/src/main/java/org/mockito/internal/verification/VerificationWrapperInOrderWrapper.java
+++ b/src/main/java/org/mockito/internal/verification/VerificationWrapperInOrderWrapper.java
@@ -35,7 +35,7 @@ private VerificationMode wrapInOrder(VerificationWrapper<?> verificationWrapper,
         if (verificationMode instanceof VerificationOverTimeImpl) {
             final VerificationOverTimeImpl verificationOverTime = (VerificationOverTimeImpl)verificationMode;
             if (verificationOverTime.isReturnOnSuccess()) {
-                return new VerificationOverTimeImpl(verificationOverTime.getPollingPeriod(),
+                return new VerificationOverTimeImpl(verificationOverTime.getPollingPeriodMillis(),
                         verificationOverTime.getTimer().duration(),
                         wrapInOrder(verificationWrapper, verificationOverTime.getDelegate(), inOrder),
                         verificationOverTime.isReturnOnSuccess());
diff --git a/src/main/java/org/mockito/verification/After.java b/src/main/java/org/mockito/verification/After.java
index a65a244ef7..54d7453022 100644
--- a/src/main/java/org/mockito/verification/After.java
+++ b/src/main/java/org/mockito/verification/After.java
@@ -4,8 +4,6 @@
  */
 package org.mockito.verification;
 
-import java.time.Duration;
-
 import org.mockito.internal.verification.VerificationOverTimeImpl;
 import org.mockito.internal.verification.VerificationWrapper;
 
@@ -22,25 +20,13 @@ public class After extends VerificationWrapper<VerificationOverTimeImpl> impleme
      * <p>
      * Typically, you won't use this class explicitly. Instead use timeout() method on Mockito class.
      * See javadoc for {@link VerificationWithTimeout}
-     * @deprecated Use {@link After#After(Duration, VerificationMode)} instead.
      */
-    @Deprecated
     public After(long delayMillis, VerificationMode verificationMode) {
-        this(Duration.ofMillis(delayMillis), verificationMode);
-    }
-
-    /**
-     * See the javadoc for {@link VerificationAfterDelay}
-     * <p>
-     * Typically, you won't use this class explicitly. Instead use timeout() method on Mockito class.
-     * See javadoc for {@link VerificationWithTimeout}
-     */
-    public After(Duration delay, VerificationMode verificationMode) {
-        this(Duration.ofMillis(10), delay, verificationMode);
+        this(10, delayMillis, verificationMode);
     }
 
-    After(Duration pollingPeriod, Duration delay, VerificationMode verificationMode) {
-        this(new VerificationOverTimeImpl(pollingPeriod, delay, verificationMode, false));
+    After(long pollingPeriod, long delayMillis, VerificationMode verificationMode) {
+        this(new VerificationOverTimeImpl(pollingPeriod, delayMillis, verificationMode, false));
     }
 
     After(VerificationOverTimeImpl verificationOverTime) {
diff --git a/src/main/java/org/mockito/verification/Timeout.java b/src/main/java/org/mockito/verification/Timeout.java
index b7679abf26..99dcc45f53 100644
--- a/src/main/java/org/mockito/verification/Timeout.java
+++ b/src/main/java/org/mockito/verification/Timeout.java
@@ -6,8 +6,6 @@
 
 import static org.mockito.internal.exceptions.Reporter.atMostAndNeverShouldNotBeUsedWithTimeout;
 
-import java.time.Duration;
-
 import org.mockito.internal.util.Timer;
 import org.mockito.internal.verification.VerificationOverTimeImpl;
 import org.mockito.internal.verification.VerificationWrapper;
@@ -25,35 +23,23 @@ public class Timeout extends VerificationWrapper<VerificationOverTimeImpl> imple
      * <p>
      * Typically, you won't use this class explicitly. Instead use timeout() method on Mockito class.
      * See javadoc for {@link VerificationWithTimeout}
-     * @deprecated Use {@link Timeout#Timeout(Duration, VerificationMode)} instead.
      */
-    @Deprecated
     public Timeout(long millis, VerificationMode delegate) {
-        this(Duration.ofMillis(millis), delegate);
-    }
-
-    /**
-     * See the javadoc for {@link VerificationWithTimeout}
-     * <p>
-     * Typically, you won't use this class explicitly. Instead use timeout() method on Mockito class.
-     * See javadoc for {@link VerificationWithTimeout}
-     */
-    public Timeout(Duration timeout, VerificationMode delegate) {
-        this(Duration.ofMillis(10), timeout, delegate);
+        this(10, millis, delegate);
     }
 
     /**
      * See the javadoc for {@link VerificationWithTimeout}
      */
-    Timeout(Duration pollingPeriod, Duration timeout, VerificationMode delegate) {
-        this(new VerificationOverTimeImpl(pollingPeriod, timeout, delegate, true));
+    Timeout(long pollingPeriodMillis, long millis, VerificationMode delegate) {
+        this(new VerificationOverTimeImpl(pollingPeriodMillis, millis, delegate, true));
     }
 
     /**
      * See the javadoc for {@link VerificationWithTimeout}
      */
-    Timeout(Duration pollingPeriod, VerificationMode delegate, Timer timer) {
-        this(new VerificationOverTimeImpl(pollingPeriod, delegate, true, timer));
+    Timeout(long pollingPeriodMillis, VerificationMode delegate, Timer timer) {
+        this(new VerificationOverTimeImpl(pollingPeriodMillis, delegate, true, timer));
     }
 
     Timeout(VerificationOverTimeImpl verificationOverTime) {
diff --git a/src/test/java/org/mockito/internal/util/TimerTest.java b/src/test/java/org/mockito/internal/util/TimerTest.java
index 2f2885b0da..8a4a173e02 100644
--- a/src/test/java/org/mockito/internal/util/TimerTest.java
+++ b/src/test/java/org/mockito/internal/util/TimerTest.java
@@ -4,8 +4,6 @@
  */
 package org.mockito.internal.util;
 
-import java.time.Duration;
-
 import org.assertj.core.api.Assertions;
 import org.junit.Rule;
 import org.junit.Test;
@@ -20,7 +18,7 @@ public class TimerTest extends TestBase {
     @Test
     public void should_return_true_if_task_is_in_acceptable_time_bounds() {
         //given
-        Duration duration = Duration.ofSeconds(10);
+        long duration = 10000L;
         Timer timer = new Timer(duration);
 
         //when
@@ -33,7 +31,7 @@ public void should_return_true_if_task_is_in_acceptable_time_bounds() {
     @Test
     public void should_return_false_when_time_run_out() throws Exception {
         //given
-        Timer timer = new Timer(Duration.ZERO);
+        Timer timer = new Timer(0);
         timer.start();
 
         //when
@@ -47,7 +45,7 @@ public void should_return_false_when_time_run_out() throws Exception {
     public void should_throw_friendly_reminder_exception_when_duration_is_negative() {
         expectedException.expect(FriendlyReminderException.class);
         expectedException.expectMessage("Don't panic! I'm just a friendly reminder!");
-        new Timer(Duration.ofMillis(-1));
+        new Timer(-1);
     }
 
     private void oneMillisecondPasses() throws InterruptedException {
diff --git a/src/test/java/org/mockito/internal/verification/VerificationOverTimeImplTest.java b/src/test/java/org/mockito/internal/verification/VerificationOverTimeImplTest.java
index 5f206c5420..82cceeaea7 100644
--- a/src/test/java/org/mockito/internal/verification/VerificationOverTimeImplTest.java
+++ b/src/test/java/org/mockito/internal/verification/VerificationOverTimeImplTest.java
@@ -9,8 +9,6 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.MockitoAnnotations.initMocks;
 
-import java.time.Duration;
-
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
@@ -31,8 +29,7 @@ public class VerificationOverTimeImplTest {
     @Before
     public void setUp() {
         initMocks(this);
-        impl = new VerificationOverTimeImpl(
-            Duration.ofMillis(10), Duration.ofSeconds(1), delegate, true);
+        impl = new VerificationOverTimeImpl(10, 1000, delegate, true);
     }
 
     @Test
diff --git a/src/test/java/org/mockito/verification/TimeoutTest.java b/src/test/java/org/mockito/verification/TimeoutTest.java
index 3719ae4215..ae6e5d2e84 100644
--- a/src/test/java/org/mockito/verification/TimeoutTest.java
+++ b/src/test/java/org/mockito/verification/TimeoutTest.java
@@ -7,8 +7,6 @@
 import static org.junit.Assert.fail;
 import static org.mockito.Mockito.*;
 
-import java.time.Duration;
-
 import org.junit.Test;
 import org.mockito.InOrder;
 import org.mockito.Mock;
@@ -30,7 +28,7 @@ public class TimeoutTest extends TestBase {
 
     @Test
     public void should_pass_when_verification_passes() {
-        Timeout t = new Timeout(Duration.ofMillis(1), mode, timer);
+        Timeout t = new Timeout(1, mode, timer);
 
         when(timer.isCounting()).thenReturn(true);
         doNothing().when(mode).verify(data);
@@ -44,7 +42,7 @@ public void should_pass_when_verification_passes() {
 
     @Test
     public void should_fail_because_verification_fails() {
-        Timeout t = new Timeout(Duration.ofMillis(1), mode, timer);
+        Timeout t = new Timeout(1, mode, timer);
 
         when(timer.isCounting()).thenReturn(true, true, true, false);
         doThrow(error).
@@ -62,7 +60,7 @@ public void should_fail_because_verification_fails() {
 
     @Test
     public void should_pass_even_if_first_verification_fails() {
-        Timeout t = new Timeout(Duration.ofMillis(1), mode, timer);
+        Timeout t = new Timeout(1, mode, timer);
 
         when(timer.isCounting()).thenReturn(true, true, true, false);
         doThrow(error).
@@ -76,7 +74,7 @@ public void should_pass_even_if_first_verification_fails() {
 
     @Test
     public void should_try_to_verify_correct_number_of_times() {
-        Timeout t = new Timeout(Duration.ofMillis(10), mode, timer);
+        Timeout t = new Timeout(10, mode, timer);
 
         doThrow(error).when(mode).verify(data);
         when(timer.isCounting()).thenReturn(true, true, true, true, true, false);
diff --git a/src/test/java/org/mockitousage/verification/VerificationWithTimeoutTest.java b/src/test/java/org/mockitousage/verification/VerificationWithTimeoutTest.java
index 230b632910..0c50578f6c 100644
--- a/src/test/java/org/mockitousage/verification/VerificationWithTimeoutTest.java
+++ b/src/test/java/org/mockitousage/verification/VerificationWithTimeoutTest.java
@@ -10,7 +10,6 @@
 import static org.mockito.junit.MockitoJUnit.rule;
 import static org.mockitoutil.Stopwatch.createNotStarted;
 
-import java.time.Duration;
 import java.util.concurrent.TimeUnit;
 
 import org.assertj.core.api.Assertions;
@@ -58,17 +57,6 @@ public void should_verify_with_timeout() {
         verify(mock).oneArg('c'); //sanity check
     }
 
-    @Test
-    public void should_verify_with_timeout_duration() {
-        // when
-        async.runAfter(50, callMock('c'));
-        async.runAfter(500, callMock('c'));
-
-        // then
-        verify(mock, timeout(Duration.ofMillis(200)).only()).oneArg('c');
-        verify(mock).oneArg('c'); //sanity check
-    }
-
     @Test
     public void should_verify_with_timeout_and_fail() {
         // when
@@ -84,21 +72,6 @@ public void call() {
         //TODO let's have a specific exception vs. generic assertion error + message
     }
 
-    @Test
-    public void should_verify_with_timeout_and_fail_duration() {
-        // when
-        async.runAfter(200, callMock('c'));
-
-        // then
-        Assertions.assertThatThrownBy(new ThrowableAssert.ThrowingCallable() {
-            @Override
-            public void call() {
-                verify(mock, timeout(Duration.ofMillis(50)).only()).oneArg('c');
-            }
-        }).isInstanceOf(AssertionError.class).hasMessageContaining("Wanted but not invoked");
-        //TODO let's have a specific exception vs. generic assertion error + message
-    }
-
     @Test
     @Ignore //TODO nice to have
     public void should_verify_with_timeout_and_fail_early() {